[ardour-users] [linux-audio-user] SMPTE timecode reader

plutek plutek at infinity.net
Tue Dec 19 07:57:28 PST 2006

On 12/19/2006 09:57:47 AM, plutek wrote:
> i must confess to some slight confusion about the real meaning of all  
> the combinations of 29.97, 30, drop, and non-drop, but ardour 0.99.3  
> doesn't show any 29.97 options for MTC, so am i out of luck here?

with further reading, i believe i have a clearer picture of smpte  

--"30 non-drop" runs at 30 fps, with continuous counting.
--"29.97 drop" is the same as "30 drop", running at 29.97 fps, and  
using discontinuous counting such that the frame times don't slip too  
much from normal timepieces over longer durations.
--"29.97 non-drop" runs at 29.97 fps, with continuous counting -  
usually used in i.e. commercials which, due to their brevity do not get  
to the first dropped frame-count in the "drop" format.

so, my understanding is that we have 2 out of the above 3 formats  
covered in ardour's MTC options, right? if one wishes to use "29.97  
non-drop", it seems not currently possible.


More information about the Ardour-Users mailing list